Number of n X 5 arrays with rows being permutations of 0..4 and no column j greater than column j-1 in all rows.
A212852
Number of n X 5 arrays with rows being permutations of 0..4 and no column j greater than column j-1 in all rows.
Terms
- a(0) =1a(1) =3651a(2) =966751a(3) =158408751a(4) =21855093751
External references
- oeis: A212852